{"id":946662,"date":"2024-12-26T23:44:34","date_gmt":"2024-12-26T15:44:34","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/946662.html"},"modified":"2024-12-26T23:44:37","modified_gmt":"2024-12-26T15:44:37","slug":"%e5%a6%82%e4%bd%95%e6%b7%bb%e5%8a%a0%e5%88%97%e8%a1%a8-python","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/946662.html","title":{"rendered":"\u5982\u4f55\u6dfb\u52a0\u5217\u8868 Python"},"content":{"rendered":"

\"\u5982\u4f55\u6dfb\u52a0\u5217\u8868<\/p>\n

\u5728Python\u4e2d\u6dfb\u52a0\u5217\u8868\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5176\u4e2d\u5305\u62ec\u4f7f\u7528append()\u65b9\u6cd5\u3001extend()\u65b9\u6cd5\u3001\u4ee5\u53ca\u5217\u8868\u62fc\u63a5\u7b49\u3002append()\u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u5355\u4e2a\u5143\u7d20\u3001extend()\u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3001\u800c\u5217\u8868\u62fc\u63a5\u5219\u662f\u901a\u8fc7\u8fd0\u7b97\u7b26\u5c06\u4e24\u4e2a\u5217\u8868\u5408\u5e76\u4e3a\u4e00\u4e2a\u3002<\/strong>\u4e0b\u9762\u6211\u5c06\u8be6\u7ec6\u4ecb\u7ecd\u8fd9\u51e0\u79cd\u65b9\u6cd5\u53ca\u5176\u5e94\u7528\u573a\u666f\u3002<\/p>\n<\/p>\n

\u4e00\u3001\u4f7f\u7528APPEND()\u65b9\u6cd5<\/p>\n<\/p>\n

\u5728Python\u4e2d\uff0cappend()\u65b9\u6cd5\u662f\u4e00\u79cd\u7b80\u5355\u800c\u5e38\u7528\u7684\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5355\u4e2a\u5143\u7d20\u7684\u65b9\u6cd5\u3002\u5b83\u76f4\u63a5\u5728\u5217\u8868\u7684\u672b\u5c3e\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u5143\u7d20\uff0c\u800c\u4e0d\u6539\u53d8\u5217\u8868\u7684\u5176\u4ed6\u90e8\u5206\u3002append()\u65b9\u6cd5\u7684\u5e38\u89c1\u5e94\u7528\u5305\u62ec\u5728\u5faa\u73af\u4e2d\u9010\u4e2a\u6dfb\u52a0\u5143\u7d20\uff0c\u6216\u8005\u5728\u6570\u636e\u5904\u7406\u8fc7\u7a0b\u4e2d\u6dfb\u52a0\u65b0\u7684\u6570\u636e\u70b9\u3002<\/p>\n<\/p>\n

\u5e94\u7528\u5b9e\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n

\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u7a7a\u5217\u8868\uff0c\u6211\u4eec\u60f3\u8981\u9010\u4e2a\u6dfb\u52a0\u6570\u503c1\u52305\uff1a<\/p>\n<\/p>\n

numbers = []<\/p>\n
for i in range(1, 6):<\/p>\n
    numbers.append(i)<\/p>\n
print(numbers)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cappend()\u65b9\u6cd5\u88ab\u7528\u6765\u5728\u6bcf\u6b21\u5faa\u73af\u8fed\u4ee3\u4e2d\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u4e00\u4e2a\u65b0\u7684\u6574\u6570\u3002<\/p>\n<\/p>\n
\u4e8c\u3001\u4f7f\u7528EXTEND()\u65b9\u6cd5<\/p>\n<\/p>\n
extend()\u65b9\u6cd5\u7528\u4e8e\u5728\u5217\u8868\u672b\u5c3e\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u3002\u8fd9\u79cd\u65b9\u6cd5\u7279\u522b\u9002\u5408\u4e8e\u9700\u8981\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u7684\u573a\u666f\u3002\u4e0eappend()\u4e0d\u540c\uff0cextend()\u65b9\u6cd5\u53ef\u4ee5\u5c06\u53e6\u4e00\u4e2a\u5217\u8868\u6216\u53ef\u8fed\u4ee3\u5bf9\u8c61\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u5f53\u524d\u5217\u8868\u4e2d\u3002<\/p>\n<\/p>\n
\u5e94\u7528\u5b9e\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u73b0\u6709\u7684\u5217\u8868\uff0c\u5e76\u4e14\u60f3\u8981\u6dfb\u52a0\u53e6\u4e00\u4e2a\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\uff1a<\/p>\n<\/p>\n
fruits = ['apple', 'banana']<\/p>\n
more_fruits = ['cherry', 'date']<\/p>\n
fruits.extend(more_fruits)<\/p>\n
print(fruits)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cextend()\u65b9\u6cd5\u5c06more_fruits\u5217\u8868\u4e2d\u7684\u6240\u6709\u5143\u7d20\u6dfb\u52a0\u5230\u4e86fruits\u5217\u8868\u7684\u672b\u5c3e\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u4f7f\u7528\u5217\u8868\u62fc\u63a5<\/p>\n<\/p>\n
\u5217\u8868\u62fc\u63a5\u901a\u8fc7\u4f7f\u7528\u201c+\u201d\u8fd0\u7b97\u7b26\u6765\u5408\u5e76\u4e24\u4e2a\u6216\u591a\u4e2a\u5217\u8868\u3002\u4e0eextend()\u4e0d\u540c\uff0c\u62fc\u63a5\u64cd\u4f5c\u4f1a\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u5217\u8868\u5bf9\u8c61\u800c\u4e0d\u662f\u5728\u539f\u5217\u8868\u4e0a\u8fdb\u884c\u4fee\u6539\u3002<\/p>\n<\/p>\n
\u5e94\u7528\u5b9e\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e24\u4e2a\u5217\u8868\uff0c\u60f3\u8981\u5c06\u5b83\u4eec\u5408\u5e76\u6210\u4e00\u4e2a\u65b0\u7684\u5217\u8868\uff1a<\/p>\n<\/p>\n
list1 = [1, 2, 3]<\/p>\n
list2 = [4, 5, 6]<\/p>\n
combined_list = list1 + list2<\/p>\n
print(combined_list)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0clist1\u548clist2\u901a\u8fc7\u201c+\u201d\u8fd0\u7b97\u7b26\u5408\u5e76\u6210\u4e86\u4e00\u4e2a\u65b0\u7684\u5217\u8868combined_list\u3002<\/p>\n<\/p>\n
\u56db\u3001\u4f7f\u7528INSERT()\u65b9\u6cd5<\/p>\n<\/p>\n
insert()\u65b9\u6cd5\u5141\u8bb8\u5728\u5217\u8868\u7684\u6307\u5b9a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u5143\u7d20\u3002\u8fd9\u79cd\u65b9\u6cd5\u975e\u5e38\u6709\u7528\uff0c\u5f53\u4f60\u9700\u8981\u5728\u5217\u8868\u7684\u7279\u5b9a\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u65f6\u3002<\/p>\n<\/p>\n
\u5e94\u7528\u5b9e\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5217\u8868\uff0c\u5e0c\u671b\u5728\u7b2c\u4e8c\u4e2a\u4f4d\u7f6e\u63d2\u5165\u4e00\u4e2a\u65b0\u5143\u7d20\uff1a<\/p>\n<\/p>\n
letters = ['a', 'b', 'd']<\/p>\n
letters.insert(2, 'c')<\/p>\n
print(letters)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cinsert()\u65b9\u6cd5\u5c06\u5b57\u7b26'c'\u63d2\u5165\u5230\u4e86\u7d22\u5f152\u7684\u4f4d\u7f6e\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528SLICE\u8d4b\u503c<\/p>\n<\/p>\n
\u901a\u8fc7\u5207\u7247\u8d4b\u503c\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u5217\u8868\u4e2d\u63d2\u5165\u591a\u4e2a\u5143\u7d20\u3002\u5207\u7247\u8d4b\u503c\u53ef\u4ee5\u6307\u5b9a\u4e00\u4e2a\u5207\u7247\u8303\u56f4\uff0c\u5e76\u5c06\u5176\u66ff\u6362\u4e3a\u65b0\u7684\u5143\u7d20\u5e8f\u5217\u3002<\/p>\n<\/p>\n
\u5e94\u7528\u5b9e\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
\u5047\u8bbe\u6211\u4eec\u6709\u4e00\u4e2a\u5217\u8868\uff0c\u5e76\u60f3\u8981\u5728\u7d22\u5f151\u7684\u4f4d\u7f6e\u63d2\u5165\u591a\u4e2a\u5143\u7d20\uff1a<\/p>\n<\/p>\n
colors = ['red', 'blue', 'green']<\/p>\n
colors[1:1] = ['yellow', 'purple']<\/p>\n
print(colors)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5217\u8868colors\u5728\u7d22\u5f151\u7684\u4f4d\u7f6e\u63d2\u5165\u4e86\u4e24\u4e2a\u65b0\u5143\u7d20'yellow'\u548c'purple'\u3002<\/p>\n<\/p>\n
\u516d\u3001\u4f7f\u7528\u5217\u8868\u63a8\u5bfc\u5f0f\uff08List Comprehensions\uff09<\/p>\n<\/p>\n
\u5217\u8868\u63a8\u5bfc\u5f0f\u662fPython\u4e2d\u4e00\u79cd\u7b80\u6d01\u800c\u5f3a\u5927\u7684\u5217\u8868\u521b\u5efa\u65b9\u5f0f\uff0c\u901a\u5e38\u7528\u4e8e\u751f\u6210\u65b0\u7684\u5217\u8868\u3002\u867d\u7136\u5217\u8868\u63a8\u5bfc\u5f0f\u4e0d\u662f\u76f4\u63a5\u7528\u4e8e\u6dfb\u52a0\u5143\u7d20\u7684\u65b9\u6cd5\uff0c\u4f46\u5b83\u53ef\u4ee5\u7528\u4e8e\u6839\u636e\u67d0\u4e9b\u6761\u4ef6\u6216\u89c4\u5219\u751f\u6210\u65b0\u7684\u5217\u8868\u3002<\/p>\n<\/p>\n
\u5e94\u7528\u5b9e\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
\u5047\u8bbe\u6211\u4eec\u60f3\u8981\u751f\u6210\u4e00\u4e2a\u5305\u542b1\u523010\u4e4b\u95f4\u5076\u6570\u7684\u5217\u8868\uff1a<\/p>\n<\/p>\n
even_numbers = [x for x in range(1, 11) if x % 2 == 0]<\/p>\n
print(even_numbers)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u5217\u8868\u63a8\u5bfc\u5f0f\u7528\u4e8e\u751f\u6210\u4e00\u4e2a\u5305\u542b\u6240\u6709\u5076\u6570\u7684\u65b0\u5217\u8868\u3002<\/p>\n<\/p>\n
\u4e03\u3001\u4f7f\u7528NUMPY\u5e93<\/p>\n<\/p>\n
\u5bf9\u4e8e\u5904\u7406\u5927\u91cf\u6570\u503c\u6570\u636e\uff0cNumPy\u5e93\u63d0\u4f9b\u4e86\u66f4\u9ad8\u6548\u7684\u6570\u7ec4\u64cd\u4f5c\u65b9\u6cd5\u3002\u867d\u7136NumPy\u7684\u6570\u7ec4\u4e0d\u662f\u5217\u8868\uff0c\u4f46\u5b83\u4eec\u63d0\u4f9b\u4e86\u7c7b\u4f3c\u7684\u529f\u80fd\uff0c\u5e76\u4e14\u5728\u5904\u7406\u5927\u89c4\u6a21\u6570\u503c\u8ba1\u7b97\u65f6\u8868\u73b0\u66f4\u597d\u3002<\/p>\n<\/p>\n
\u5e94\u7528\u5b9e\u4f8b\uff1a<\/strong><\/p>\n<\/p>\n
import numpy as np<\/p>\n
array1 = np.array([1, 2, 3])<\/p>\n
array2 = np.array([4, 5, 6])<\/p>\n
combined_array = np.concatenate((array1, array2))<\/p>\n
print(combined_array)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0cNumPy\u7684concatenate()\u51fd\u6570\u7528\u4e8e\u5408\u5e76\u4e24\u4e2a\u6570\u7ec4\u3002<\/p>\n<\/p>\n
\u603b\u7ed3\uff1a\u5728Python\u4e2d\u6dfb\u52a0\u5217\u8868\u7684\u65b9\u5f0f\u591a\u79cd\u591a\u6837\uff0c\u6bcf\u79cd\u65b9\u6cd5\u90fd\u6709\u5176\u72ec\u7279\u7684\u5e94\u7528\u573a\u666f\u548c\u4f18\u70b9\u3002\u9009\u62e9\u5408\u9002\u7684\u65b9\u6cd5\u53ef\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6548\u7387\u548c\u53ef\u8bfb\u6027\u3002\u5728\u5b9e\u9645\u5f00\u53d1\u4e2d\uff0c\u5e94\u8be5\u6839\u636e\u5177\u4f53\u7684\u9700\u6c42\u548c\u6570\u636e\u7ed3\u6784\u9009\u62e9\u6700\u5408\u9002\u7684\u6dfb\u52a0\u65b9\u5f0f\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\uff1f<\/strong>
\u5728Python\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7\u7b80\u5355\u7684\u65b9\u62ec\u53f7 []<\/code> \u6765\u521b\u5efa\u4e00\u4e2a\u7a7a\u5217\u8868\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 my_list = []<\/code> \u6765\u521d\u59cb\u5316\u4e00\u4e2a\u7a7a\u5217\u8868\u3002\u8fd9\u6837\uff0c\u4f60\u5c31\u53ef\u4ee5\u5728\u540e\u7eed\u7684\u4ee3\u7801\u4e2d\u5411\u8be5\u5217\u8868\u6dfb\u52a0\u5143\u7d20\u3002<\/p>\n
\u5728Python\u4e2d\u5411\u5217\u8868\u6dfb\u52a0\u5143\u7d20\u7684\u5e38\u7528\u65b9\u6cd5\u6709\u54ea\u4e9b\uff1f<\/strong>
Python\u63d0\u4f9b\u4e86\u591a\u79cd\u65b9\u6cd5\u6765\u5411\u5217\u8868\u4e2d\u6dfb\u52a0\u5143\u7d20\u3002\u6700\u5e38\u7528\u7684\u65b9\u6cd5\u662f\u4f7f\u7528 append()<\/code> \u65b9\u6cd5\uff0c\u5b83\u53ef\u4ee5\u5c06\u4e00\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u7684\u672b\u5c3e\u3002\u8fd8\u6709 insert()<\/code> \u65b9\u6cd5\uff0c\u53ef\u4ee5\u5728\u6307\u5b9a\u7684\u4f4d\u7f6e\u63d2\u5165\u5143\u7d20\u3002\u6b64\u5916\uff0c\u4f7f\u7528 extend()<\/code> \u65b9\u6cd5\u53ef\u4ee5\u5c06\u53e6\u4e00\u4e2a\u53ef\u8fed\u4ee3\u5bf9\u8c61\uff08\u5982\u5217\u8868\u6216\u5143\u7ec4\uff09\u7684\u5143\u7d20\u6dfb\u52a0\u5230\u5f53\u524d\u5217\u8868\u4e2d\u3002<\/p>\n
\u5982\u4f55\u5728Python\u4e2d\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\u5230\u5217\u8868\uff1f<\/strong>
\u5982\u679c\u9700\u8981\u4e00\u6b21\u6027\u6dfb\u52a0\u591a\u4e2a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 extend()<\/code> \u65b9\u6cd5\u6216\u5217\u8868\u63a8\u5bfc\u5f0f\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528 my_list.extend([1, 2, 3])<\/code> \u6765\u5c06\u591a\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u5217\u8868\u4e2d\uff0c\u6216\u8005\u4f7f\u7528 my_list += [4, 5, 6]<\/code> \u6765\u5b9e\u73b0\u76f8\u540c\u7684\u6548\u679c\u3002\u8fd9\u4e9b\u65b9\u6cd5\u90fd\u53ef\u4ee5\u6709\u6548\u5730\u5c06\u591a\u4e2a\u5143\u7d20\u6dfb\u52a0\u5230\u73b0\u6709\u5217\u8868\u4e2d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5728Python\u4e2d\u6dfb\u52a0\u5217\u8868\u6709\u591a\u79cd\u65b9\u6cd5\uff0c\u5176\u4e2d\u5305\u62ec\u4f7f\u7528append()\u65b9\u6cd5\u3001extend()\u65b9\u6cd5\u3001\u4ee5\u53ca\u5217\u8868\u62fc\u63a5\u7b49\u3002a […]","protected":false},"author":3,"featured_media":946665,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/946662"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=946662"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/946662\/revisions"}],"predecessor-version":[{"id":946668,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/946662\/revisions\/946668"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/946665"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=946662"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=946662"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=946662"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}